DBMS_SQLPA.CREATE_ANALYSIS_TASK(
sql_id IN VARCHAR2,
plan_hash_value IN NUMBER := NULL,
task_name IN VARCHAR2 := NULL,
description IN VARCHAR2 := NULL)
RETURN VARCHAR2;
Workload Repository format. This form of the function is called to prepare the analysis of a single statement from the workload repository given a range of snapshot identifiers.

DBMS_SQLPA.CREATE_ANALYSIS_TASK(
begin_snap IN NUMBER,
end_snap IN NUMBER,
sql_id IN VARCHAR2,
plan_hash_value IN NUMBER := NULL,
task_name IN VARCHAR2 := NULL,
description IN VARCHAR2 := NULL)
RETURN VARCHAR2;

SQLSET format. This form of the function is called to prepare the analysis of a SQL tuning set.

DBMS_SQLPA.CREATE_ANALYSIS_TASK(
sqlset_name IN VARCHAR2,
basic_filter IN VARCHAR2 := NULL,
order_by IN VARCHAR2 := NULL,
top_sql IN VARCHAR2 := NULL,
task_name IN VARCHAR2 := NULL,
description IN VARCHAR2 := NULL
sqlset_owner IN VARCHAR2 := NULL)
RETURN VARCHAR2;

**********/

---9.执行SPA

begin
dbms_sqlpa.execute_analysis_task
(
task_name => 'SPA01',
execution_type => 'test execute',
execution_name => 'before_change'
);
end;
/?

/*********语法

DBMS_SQLPA.EXECUTE_ANALYSIS_TASK(
task_name IN VARCHAR2,
execution_type IN VARCHAR2 := 'test execute',
execution_name IN VARCHAR2 := NULL,
execution_params IN dbms_advisor.argList := NULL,
execution_desc IN VARCHAR2 := NULL)
RETURN VARCHAR2;

DBMS_SQLPA.EXECUTE_ANALYSIS_TASK(
task_name IN VARCHAR2,
execution_type IN VARCHAR2 := 'test execute',
execution_name IN VARCHAR2 := NULL,
execution_params IN dbms_advisor.argList := NULL,
execution_desc IN VARCHAR2 := NULL);

*********/

---10.改变

create index index_01 on t1(sid,sname)
tablespace test;

exec dbms_stats.gather_table_stats(USER,'T1',CASCADE=>TRUE)

---11.改变后执行

begin
dbms_sqlpa.execute_analysis_task
(
task_name => 'SPA01',
execution_type => 'test execute',
execution_name => 'after_change'
);
end;
/

col TASK_NAME format a30
col EXECUTION_NAME for a30
select execution_name,
status,
execution_end
from DBA_ADVISOR_EXECUTIONS
where task_name='SPA01'
order by execution_end
/

EXECUTION_NAME STATUS EXECUTION_END
------------------------------ ----------- -------------------
before_change COMPLETED 2014-05-28 15:43:58
after_change COMPLETED 2014-05-28 15:44:58

---12.执行任务比较

begin
dbms_sqlpa.EXECUTE_ANALYSIS_TASK(
task_name => 'SPA01',
execution_type => 'compare performance',
execution_params => dbms_advisor.arglist(
'execution_name1',
'before_change',
'execution_name2',
'after_change'));
end;
/

---13.生产报告

set serveroutput on size 999999
set long 100000000
set pagesize 0
set linesize 200
set longchunksize 200
set trimspool on
spool e:\report.txt

select DBMS_SQLPA.REPORT_ANALYSIS_TASK('SPA01') from dual;

spool off;